FITLY Soft Flask - Shrink As You Drink Soft Water Bottle for Hydration Pack - Folding Water Bottle Ideal for Running, Hiking, Cycling, Climbing & Rigorous Activity

FITLY Flasks are ideal for quick drinks on the run. Gobble up a gel, wet a dry throat, or re-hydrate. Designed to be used while running or biking. Stores directly in your front, side, or back pockets. FITLY Flasks shrink as you drink so nothing ever moves, bounces or rattles.

• SOFT FLASK FOR RUNNING: Compact 5 oz / 150ml soft flask gives runners quick hydration for short runs, race day fueling, gym sessions, hiking, cycling, skiing, and outdoor workouts without carrying a rigid bottle.
• COLLAPSIBLE WATER BOTTLE: Flexible bottle shrinks as you drink to help reduce sloshing, bouncing, and bulk, making it easier to carry in a running vest, belt, pocket, backpack, or hydration pack.
• RUNNING VEST COMPATIBLE: Slim soft water bottle is made for active gear setups and fits many hydration vests, belts, and pack pockets, giving runners and hikers a lightweight way to sip while moving.
• BITE VALVE HYDRATION: Easy-sip bite valve helps you drink on the go during runs, rides, hikes, and races, so you can hydrate between intervals, trail sections, or workouts without stopping to unscrew a bottle.
• BPA FREE AND REUSABLE: Made for repeated active use with BPA-free materials, this reusable hydration flask is a practical choice for runners, cyclists, hikers, travelers, and outdoor gear bags.
• LIGHTWEIGHT PACKABLE DESIGN: Folding water bottle packs down small when empty, saving space in running belts, hiking packs, bike bags, luggage, and race-day kits while staying easy to carry and store.
• IDEAL 150ML COMPACT SIZE: Small 5 oz capacity is best for short to medium sessions, quick sips, gels, or supplemental hydration, helping avoid extra weight when you do not need a larger 250ml or 500ml flask.